MapFactor's "MapFactor GPS Navigation" app is free turn-by-turn GPS navigation suite for Windows Phone-driven handhelds.
Users of the app can readily plot different routes to different points, do quick searches for various destinations, set up door-to-door map routes, gain voice guided turn-by-turn directions and more.
With no advertisements or in-app purchase offers, "MapFactor GPS Navigation" is a functional mobile mapping assistant suite which can work with or without an active internet connection - with its core mapping services backed by the OpenStreetMap collaborative project